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Questions and Answers
What is the function of vasa vasorum in blood vessels?
What is the function of vasa vasorum in blood vessels?
- Regulate blood pressure in arterioles
- Control the diameter of capillaries
- Prevent backflow of blood in veins
- Deliver nutrients and remove waste from the cells of large vessels (correct)
Which layer of a blood vessel is primarily composed of smooth muscle supported by connective tissue?
Which layer of a blood vessel is primarily composed of smooth muscle supported by connective tissue?
- Tunica media (correct)
- Internal elastic membrane
- Tunica externa
- Tunica intima
What is the primary function of metarterioles in the circulatory system?
What is the primary function of metarterioles in the circulatory system?
- Connect arteries to veins directly
- Contain valves to prevent backflow of blood
- Regulate blood flow into capillary beds (correct)
- Transport oxygenated blood to tissues
What is a characteristic of sinusoid capillaries?
What is a characteristic of sinusoid capillaries?
How do arterioles contribute to regulating blood pressure?
How do arterioles contribute to regulating blood pressure?
What mechanism leads to vasoconstriction in blood vessels?
What mechanism leads to vasoconstriction in blood vessels?
Why do veins have valves in the circulatory system?
Why do veins have valves in the circulatory system?
'Pulse pressure' is defined as:
'Pulse pressure' is defined as:
'Hypovolemia' refers to a condition characterized by:
'Hypovolemia' refers to a condition characterized by:
What is the purpose of a precapillary sphincter in the circulatory system?
What is the purpose of a precapillary sphincter in the circulatory system?
What is the main function of the skeletal muscle pump in the venous system?
What is the main function of the skeletal muscle pump in the venous system?
Which process describes how large plasma proteins can pass through sinusoids in the capillary exchange program?
Which process describes how large plasma proteins can pass through sinusoids in the capillary exchange program?
What is the role of the lymphatic system in the vascular system?
What is the role of the lymphatic system in the vascular system?
Which organ shows the highest increase in blood flow from resting to maximal exercise?
Which organ shows the highest increase in blood flow from resting to maximal exercise?
What is the main function of chemoreceptors in the neural regulation of the vascular system?
What is the main function of chemoreceptors in the neural regulation of the vascular system?
What is the primary function of Antidiuretic Hormone (ADH) in the endocrine regulation of the vascular system?
What is the primary function of Antidiuretic Hormone (ADH) in the endocrine regulation of the vascular system?
What is the mechanism activated due to a decrease in blood flow, eventually leading to Angiotensin 2 release?
What is the mechanism activated due to a decrease in blood flow, eventually leading to Angiotensin 2 release?
How does exercise affect LDL cholesterol levels according to the text?
How does exercise affect LDL cholesterol levels according to the text?
What is a potential consequence of hypertension according to the text?
What is a potential consequence of hypertension according to the text?
What is a characteristic of circulatory shock described in the text?
What is a characteristic of circulatory shock described in the text?
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